#include <stdio.h>

int main() {
  
  int x, y, z;
  fscanf(stdin, "%d%d%d", &x,&y,&z);
    
  fprintf(stdout, "x = %d y = %d z = %d\n", x, y, z);
  fprintf(stderr, "hey, I'm printing to stderr!\n");

  return 0;
}
